Results 51 to 60 of about 29,939 (265)

Application and Research Progress of Rare Earth Element Labeling Technology in Immunoassay Detection

Targets
Rare earth elements (REEs), located in the IIIB group of the periodic table, can be detected in very small quantities by sensitive detection techniques.
Haoran Li, Wencan Jiang, Guojun Zhang
doaj   +1 more source

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

Advanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen, Haosen Miao, Weiying Hong, Matteo Palma   +3 more
wiley   +1 more source

From contamination to detection: The growing threat of heavy metals

Heliyon
Heavy metals like lead, mercury, cadmium, and arsenic are environmental pollutants that accumulate in ecosystems and pose significant health risks to humans and wildlife, primarily through food chain contamination where plants absorb heavy metals ...
Basma Hossam Abdelmonem, Lereen T. Kamal, Rana M. Elbaz, Mohamed R. Khalifa, Anwar Abdelnaser   +4 more
doaj   +1 more source

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

Advanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim, Kyungjoo Jo, Kwanghyeon Park, Jun Hee Kim, Jong Hyeong Cho, Inhoo Choi, Sei Kwang Hahn   +6 more
wiley   +1 more source

Determination of Selenium Species in Tea by High Performance Liquid Chromatography Coupled to Atomic Fluorescence Spectrometry [PDF]

Shipin Kexue
Objective: This study explored experimental methods for selenium speciation analysis using high performance liquid chromatography coupled to atomic fluorescence spectrometry (HPLC-AFS) under different conditions, with the aim of identifying optimal ...
ZHANG Wenjun, CUI Yue, WANG Xuyang
doaj   +1 more source

Determination of Trace Gold in Geochemical Samples by Flame Atomic Fluorescence Spectrometry with PUFP Separation and Enrichment

Yankuang ceshi, 2020
BACKGROUND The detection sensitivity, stability, and linear range of Au using flame atomic fluorescence spectrometry (FAFS) is comparable to the method of inductivity coupled plasma-mass spectrometry (ICP-MS).
SHEN Yu-min, LUO Zhi-ding, GUO Xiao-biao, WU Gang, WANG Chen-rong, FU Ai-rui, GAO Shu-lin, XIAO Fan   +7 more
doaj   +1 more source

Irradiation‐Induced Spin Bath Evolution and as‐Grown Hydrogen Defects in CVD Diamond Revealed by NV‐Based DEER Spectroscopy

Advanced Functional Materials, EarlyView.
Here, we provide the reader with the current state of the art in the fabrication of high‐T2‐coherence diamond, optimized through the use of double electron–electron resonance (DEER) spectroscopy. We reveal the main as well as yet unidentified spin defects, the reduction of which is essential for reducing the spin bath and fabricating materials for ...
Olga Rubinas, Jeroen Prooth, Michael Petrov, Remy Vandebosch, Emilie Bourgeois, David Chvátil, Milos Nesladek   +6 more
wiley   +1 more source

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

Advanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim, Gayoung Seo, Seong Yeon Park, Juwon Jang, Yunho Ahn, Samiksha Mukesh Jain, Samrat Das Adhikari, Harumi Correa‐Leiva, Ignacio Utreras‐Asenjo, Oscar A. Douglas‐Gallardo, Carina Pareja‐Rivera, Kayoung Cho, Byeongsung Kim, Jhonatan Rodriguez‐Pereira, Eunseo Choi, JaeHong Park, Jin Ho Bang, Danilo H. Jara‐Quinteros, Sixto Giménez, Seog Joon Yoon, Andrés F. Gualdrón‐Reyes, Iván Mora‐Seró   +21 more
wiley   +1 more source

Discussion on Influence of Residues in Instruments on Detection of Selenium and Tellurium by Hydride Generation-Atomic Fluorescence Spectrometry

Yankuang ceshi, 2013
: During the analyses of ore and rock samples by Hydride Generation-Atomic Fluorescence Spectrometry (HG-AFS), many residues were formed in the tubes in which the hydride was generated, transport channelled and atomized.
HE Gui, CHANG Ji-xiu, ZHOU Xiao-run, WANG Lu-jun   +3 more
doaj  

An Analytical Method for the Biomonitoring of Mercury in Bees and Beehive Products by Cold Vapor Atomic Fluorescence Spectrometry. [PDF]

Molecules, 2021
Astolfi ML, Conti ME, Ristorini M, Frezzini MA, Papi M, Massimi L, Canepari S.   +6 more
europepmc   +1 more source